Synonyms
Washingtonia robusta H.Wendl.
Neowashingtonia robusta (H.Wendl.) A.Heller
Pritchardia robusta (H.Wendl.) Nabonnand
Neowashingtonia sonorae (S.Watson) Rose
Washingtonia sonorae S.Watson
Washingtonia gracilis Parish
Washingtonia robusta var. gracilis (Parish) Parish ex Becc.
Brahea robusta Voss
Washingtonia filifera var. gracilis (Parish) L.D.Benson